Klamath Marsh National Wildlife Refuge Weather Forecast

    • 29
    • 75

    Increasing Clouds

    • 18
    • 53

    Partly Sunny

    • 23
    • 60

    Partly Sunny

    • 19
    • 61

    Partly Sunny

    • 21
    • 62

    Mostly Sunny

    • 24
    • 65

    Mostly Sunny

Today 24 Sep Northern and Eastern Klamath County and Western Lake County

Partly cloudy in the morning then becoming mostly cloudy. Highs in the lower to mid 70s. South Winds 10 to 15 Mph.

Tonight 24 Sep Northern and Eastern Klamath County and Western Lake County

Mostly cloudy. A 40 percent chance of rain after midnight. Lows in the mid 30s to mid 40s. Southwest Winds 10 to 20 Mph.

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  • Temperature Real-Time

Klamath Marsh National Wildlife Refuge Temperature Statistics

September Temperature

Klamath Falls International Airport (53.4 miles)

  • Lowest 7 September, 2026

    31.6 °F

  • Average September

    55.4 °F

  • Highest 10 September, 2026

    86.6 °F

Climate (2021–2026)

Klamath Falls International Airport (53.4 miles)

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  • Average Low 2021–2026

    33.9 °F

  • Average 2021–2026

    48.6 °F

  • Average High 2021–2026

    63.3 °F
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